Komatsu D21A-5 Crawler Dozer
Crawler Dozer // Komatsu
Komatsu D21A-5 Dimensions
| Ground Clearance: | 1.1 ft (0 m) |
| Height - Top of Cab: | 7.1 ft (2 m) |
| Length of Track on Ground: | 5.6 ft (2 m) |
| Length w/ Blade: | 11.2 ft (3 m) |
| Length w/o Blade: | 8.1 ft (2 m) |
| Width Over Tracks: | 4.3 ft (1 m) |
| Track Gauge: | 5.3 ft in (13 cm) |
Komatsu D21A-5 Engine
| Displacement: | 179.5 cu in (0 m) |
| Engine Model: | 4D92-2P |
| Gross Power: | 39 hp (29 kw) |
| Model: | 108.5 lbs/ft |
| Number of Cylinders: | 4.0 |
| Power Measured @: | 2450 rpm |
Komatsu D21A-5 Hydraulic System
| Pump Flow Capacity: | 14.1 gal/min (53 l/min) |
| Pump type: | 2204.7 psi |
Komatsu D21A-5 Operating Specifications
| Cooling System Fluid Capacity: | 3.5 gal (13 l) |
| Fuel Capacity: | 15.9 gal (60 l) |
| Operating Weight: | 7980.8 lbs (3,620 kg) |
Komatsu D21A-5 Standard Blade
| Blade Angle (both directions): | 1 cu yds (1 m) |
| Height: | 23.3 in (59 cm) |
| Width: | 7.2 ft (2 m) |
Komatsu D21A-5 Transmission
| Max Speed - Forward: | 2.8 mph (5 kph) |
| Max Speed - Reverse: | 3.4 mph (5 kph) |
| Number of Forward Gears: | 2.0 |
| Number of Reverse Gears: | 2.0 |
| Transmission Type: | HS |
Komatsu D21A-5 Undercarriage
| Ground Pressure: | 4.3 psi |
| Number of Shoes per Side: | 37.0 |
| Number of Track Rollers per Side: | 5.0 |
| Standard Shoe Size: | 11.9 in (30 cm) |
| Track Gauge: | 4.3 ft (1 m) |
